Setting The On/Off Hysteresis; Setting The Stop Mode For Bathing Operation - Nordmann AT4 D Service Manual

2.7

Setting the On/Off hysteresis

Select "Min.Request" in the engineering menu, then press the <Set> key.
Engineering
GFCI :Set
Overcurrent :Float
Min.Request :25/20%
Stop Mode :Set
Instab.Temp.:Set
Esc
In the upcoming modification dialogue you determine the minimum demand for switching the unit on
(first value) and off (second value) (On/Off hysteresis).
Factory setting:
Options:
Notes on settings
To ensure an optimal current measuring/regulation with electrode based steam generators the hysteresis
is set to 25 % (switch on) and 20 % (switch off).
However you can reduce the hysteresis to 17% (switch on) and 12% (switch off).
2.8

Setting the Stop Mode for bathing operation

With this function you can determine whether or not the <Stop> key is suppressed during bathing operation.
Select "Stop Mode" in the engineering menu, then press the <Set> key.
Engineering
Overcurrent :Float
Min.Request :25/20%
Stop Mode :Switch
Instab.Temp.:Set
FactoryReset:Set
Esc
In the upcoming modification dialogue you determine whether the bathing time is automatically controlled
via the set bathing time (setting "Timer") whilst the <Stop> key is suppressed or whether the bathing
time can be stopped at any time by pressing the <Stop> key (setting "Switch").
Factory setting:
Options:
Min.Request
25/20%
25/20%
17/12%
Set Esc Set
25/20%
25/20%
17/12%
Stop Mode
Switch
Switch
Timer
Set Esc Set
Switch
Switch (bathing time can be stopped at any time with the <Stop> key)
Timer (the bathing time is automatically controlled via the set bathing time, the
<Stop> key is suppressed)
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